2002 Almanac (page 474) Table D-13 Mojave Desert Air Basin - Riverside County: Population and VMT Trends Mojave Desert Air Basin: Riverside County Surface Area = 3116 square miles Parameter 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Population 1110 11500 12000 12600 13300 14100 15100 16100 17400 19000 20300 21000 21700 22200 22600 23100 23900 24500 25400 26200 Avg. Daily VMT/1000 71 76 81 108 116 126 138 151 160 235 249 262 279 298 317 334 348 361 373 390